:root {
  --bg: #070b12;
  --bg-2: #0b1220;
  --panel: rgba(255, 255, 255, 0.05);
  --panel-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #edf2fb;
  --muted: rgba(237, 242, 251, 0.78);
  --subtle: rgba(237, 242, 251, 0.50);
  --cap: #7fd0ff;
  --auto: #b8b0ff;
  --acc: #e7ebf8;
  --accent: #7fd0ff;
  --accent-2: #a9fff0;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
  --max: 1240px;
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(127,208,255,0.12), transparent 28%),
    radial-gradient(circle at 84% 16%, rgba(169,255,240,0.08), transparent 26%),
    radial-gradient(circle at 78% 72%, rgba(184,176,255,0.08), transparent 26%),
    linear-gradient(180deg, #08111d 0%, #070b12 36%, #0b1220 100%);
  line-height: 1.45;
  letter-spacing: -0.015em;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  z-index: 1000;
  background: #fff;
  color: #000;
  padding: 10px 14px;
  border-radius: 10px;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 12, 18, 0.72);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(18px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand-mark {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 36px rgba(127,208,255,0.45);
  flex: 0 0 auto;
}
.brand-name {
  display: grid;
  min-width: 0;
}
.brand-name strong {
  font-size: 1rem;
  line-height: 1.05;
}
.brand-name span {
  font-size: 0.84rem;
  color: var(--subtle);
  line-height: 1.05;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.96rem;
}
.nav-links a:hover,
.text-link:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, opacity 180ms ease;
}
.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.24);
  background: rgba(255,255,255,0.08);
}
.btn.primary {
  background: linear-gradient(135deg, rgba(127,208,255,0.22), rgba(169,255,240,0.16));
  border-color: rgba(127,208,255,0.28);
}
.btn.ghost {
  background: transparent;
}
.nav-btn {
  min-height: 44px;
  padding-inline: 16px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pill.subtle {
  color: var(--subtle);
  font-weight: 600;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 20px rgba(127,208,255,0.42);
}
.hero {
  position: relative;
  padding: 74px 0 32px;
}
.hero-ambient {
  position: absolute;
  inset: auto;
  pointer-events: none;
  filter: blur(70px);
  opacity: 0.5;
}
.hero-ambient-a {
  width: 340px; height: 340px;
  top: 90px; left: -80px;
  background: radial-gradient(circle, rgba(127,208,255,0.20), transparent 70%);
}
.hero-ambient-b {
  width: 360px; height: 360px;
  top: 120px; right: -120px;
  background: radial-gradient(circle, rgba(184,176,255,0.18), transparent 72%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  gap: 30px;
  align-items: start;
}
.eyebrow-row,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-title {
  margin: 18px 0 14px;
  font-size: clamp(52px, 7.2vw, 96px);
  line-height: 0.95;
  letter-spacing: -0.055em;
  max-width: 9ch;
}
.hero-lede {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.1vw, 26px);
  line-height: 1.38;
  color: var(--text);
  max-width: 20.5ch;
}
.hero-support {
  margin: 0 0 24px;
  font-size: 1.08rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 60ch;
}
.facts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}
.fact-card,
.signal-card,
.time-card,
.standard-card,
.source-card,
.footer-card,
.footer-rail,
.close-banner,
.visual-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
}
.fact-card {
  padding: 18px;
  border-radius: var(--radius-md);
  min-height: 122px;
}
.fact-value {
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 10px;
  font-weight: 720;
}
.fact-label {
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--muted);
}
.hero-visual { min-width: 0; }
.visual-card {
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.signal-board {
  padding: 24px;
  min-height: 100%;
}
.signal-board::before,
.close-banner::before {
  content: "";
  position: absolute;
  inset: auto -12% 72% auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(127,208,255,0.18), transparent 68%);
  pointer-events: none;
}
.board-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 12px;
}
.kicker,
.source-tag,
.footer-title,
.signal-kicker,
.time-date {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.74rem;
  color: var(--subtle);
  font-weight: 700;
}
.board-head h2,
.section-head h2,
.close-copy h2 {
  margin: 6px 0 0;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  max-width: 11ch;
}
.legend {
  display: grid;
  gap: 10px;
  padding-top: 6px;
  flex: 0 0 auto;
}
.legend span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-start;
  color: var(--muted);
  font-size: 0.92rem;
}
.swatch {
  width: 18px; height: 3px; border-radius: 999px; display: inline-block;
}
.swatch.capability { background: var(--cap); }
.swatch.autonomy { background: var(--auto); }
.swatch.accountability { background: var(--acc); }
.board-wrap {
  position: relative;
  margin-top: 10px;
}
.board-svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}
.board-grid line,
.markers line {
  stroke: rgba(255,255,255,0.30);
  stroke-width: 1;
}
.curve {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: url(#glow);
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
}
.is-live .curve.capability { stroke: url(#capLine); animation: draw 1.45s cubic-bezier(.22,1,.36,1) forwards; }
.is-live .curve.autonomy { stroke: url(#autoLine); animation: draw 1.65s cubic-bezier(.22,1,.36,1) 0.16s forwards; }
.is-live .curve.accountability { stroke: url(#accLine); animation: draw 1.35s cubic-bezier(.22,1,.36,1) 0.32s forwards; }
@keyframes draw {
  to { stroke-dashoffset: 0; }
}
.halo-ring {
  fill: none;
  stroke: rgba(185,230,255,0.9);
  stroke-width: 2;
  opacity: 0.82;
  transform-origin: center;
}
.halo-dot {
  fill: #dff3ff;
}
.is-live .halo-ring { animation: pulse 2.8s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.75; }
  50% { transform: scale(1.08); opacity: 1; }
}
.label-chip rect,
.board-notes rect {
  fill: rgba(5,9,16,0.75);
  stroke: rgba(255,255,255,0.12);
}
.label-chip text,
.board-years text,
.board-notes text {
  fill: rgba(237,242,251,0.84);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.board-years text {
  fill: rgba(237,242,251,0.56);
  font-size: 13px;
  font-weight: 600;
}
.board-note {
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--muted);
  font-size: 1rem;
}
.section {
  padding: 78px 0 0;
}
.section-head {
  display: grid;
  grid-template-columns: minmax(0,0.95fr) minmax(0,1.05fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 26px;
}
.section-head p {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.62;
  color: var(--muted);
  max-width: 62ch;
}
.signal-grid {
  display: grid;
  gap: 18px;
}
.signal-grid-4 {
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.signal-card {
  padding: 26px;
  border-radius: var(--radius-lg);
  min-height: 272px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
}
.signal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.signal-stat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  min-width: 148px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-align: center;
}

.signal-card--safeguards .signal-top {
  display: grid;
  gap: 14px;
  justify-items: start;
}
.signal-card--safeguards .signal-stat {
  min-width: 232px;
  margin-inline: auto;
  justify-self: center;
}
.signal-card--safeguards .signal-kicker {
  width: 100%;
}
.signal-card h3,
.time-card h3,
.standard-card h3,
.source-card h3,
.footer-card h3,
.footer-rail h3 {
  margin: 0 0 10px;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
.signal-card p,
.time-card p,
.standard-card p,
.source-card p,
.footer-card p,
.footer-rail-note,
.close-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.6;
}
.timeline-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 16px;
}
.time-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  min-height: 220px;
}
.time-date {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 12px;
}
.time-card.emphasis {
  background: linear-gradient(180deg, rgba(127,208,255,0.10), rgba(255,255,255,0.04));
  border-color: rgba(127,208,255,0.20);
}
.standard-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 16px;
}
.standard-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  min-height: 205px;
}
.standard-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid rgba(127,208,255,0.22);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 16px;
  background: rgba(127,208,255,0.05);
}
.sources-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 16px;
}
.source-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  min-height: 210px;
}
.source-tag {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 12px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--text);
  font-weight: 600;
}
.text-link::after {
  content: "↗";
  color: var(--subtle);
}
.close-banner {
  display: grid;
  grid-template-columns: minmax(0,1.06fr) minmax(320px,0.94fr);
  align-items: start;
  gap: 22px;
  padding: 30px;
  border-radius: var(--radius-xl);
}
.close-panel {
  display: grid;
  gap: 14px;
}
.close-summary-grid {
  display: grid;
  gap: 12px;
}
.close-mini {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.045);
}
.close-mini strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  letter-spacing: -0.02em;
}
.close-mini span {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}
.close-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-start;
}

.footer {
  padding: 74px 0 54px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0,1.1fr) repeat(3, minmax(0,0.72fr));
  gap: 16px;
}
.footer-card,
.footer-rail {
  border-radius: var(--radius-lg);
  padding: 20px;
}
.footer-card small {
  display: block;
  margin-top: 14px;
  color: var(--subtle);
  line-height: 1.55;
}
.mini-link-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.mini-link-list a {
  color: var(--muted);
}
.mini-link-list a:hover {
  color: var(--text);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 18px;
  margin-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: var(--subtle);
  font-size: 0.92rem;
}
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms ease, transform 520ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (max-width: 1240px) {
  .signal-grid-4,
  .timeline-grid,
  .standard-grid,
  .sources-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .close-banner {
    grid-template-columns: 1fr;
  }
  .close-actions { justify-content: flex-start; }
}
@media (max-width: 1080px) {
  .hero-grid,
  .section-head {
    grid-template-columns: 1fr;
  }
  .hero-title,
  .hero-lede,
  .board-head h2 {
    max-width: 100%;
  }
  .board-head {
    flex-direction: column;
  }
  .legend {
    grid-auto-flow: column;
    justify-content: start;
    gap: 18px;
  }
}
@media (max-width: 760px) {
  .container { width: min(var(--max), calc(100% - 24px)); }
  .nav-links { display: none; }
  .hero { padding-top: 56px; }
  .facts-grid,
  .signal-grid-4,
  .timeline-grid,
  .standard-grid,
  .sources-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions,
  .eyebrow-row,
  .close-actions,
  .footer-bottom {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { width: 100%; }
  .fact-card,
  .signal-card,
  .time-card,
  .standard-card,
  .source-card,
  .footer-card,
  .footer-rail,
  .close-banner,
  .signal-board {
    padding: 18px;
  }
  .signal-board { border-radius: 24px; }
  .board-years text,
  .board-notes text,
  .label-chip text { font-size: 12px; }
  .board-notes rect { height: 24px; }
  .board-svg { min-height: 280px; }
  .legend { grid-auto-flow: row; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}